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Make stxstattarget nullable

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To match attstattarget change (commit 4f622503d6).  The logic inside
CreateStatistics() is clarified a bit compared to that previous patch,
and so here we also update ATExecSetStatistics() to match.

Reviewed-by: Tomas Vondra <tomas.vondra@enterprisedb.com>
Discussion: https://www.postgresql.org/message-id/flat/4da8d211-d54d-44b9-9847-f2a9f1184c76@eisentraut.org
This commit is contained in:
Peter Eisentraut
2024-03-17 12:22:05 +01:00
parent 33e729c514
commit 012460ee93
11 changed files with 96 additions and 73 deletions
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4
src/backend/statistics/extended_stats.c
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@@ -454,13 +454,15 @@ fetch_statentries_for_relation(Relation pg_statext, Oid relid)
entry->statOid = staForm->oid;
entry->schema = get_namespace_name(staForm->stxnamespace);
entry->name = pstrdup(NameStr(staForm->stxname));
entry->stattarget = staForm->stxstattarget;
for (i = 0; i < staForm->stxkeys.dim1; i++)
{
entry->columns = bms_add_member(entry->columns,
staForm->stxkeys.values[i]);
}
datum = SysCacheGetAttr(STATEXTOID, htup, Anum_pg_statistic_ext_stxstattarget, &isnull);
entry->stattarget = isnull ? -1 : DatumGetInt16(datum);
/* decode the stxkind char array into a list of chars */
datum = SysCacheGetAttrNotNull(STATEXTOID, htup,
Anum_pg_statistic_ext_stxkind);